Home / 827,211.87-1,141,527.48-459,687.78

Finding the Fourth Proportional to 827,211.87, 1,141,527.48 and 459,687.78

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Solution

The fourth proportional to 827,211.87, 1,141,527.48 and 459,687.78 is: 634,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,211.87 : 1,141,527.48 = 459,687.78 : x
  2. Step 2: Convert to fraction form
    827,211.87/1,141,527.48 = 459,687.78/x
  3. Step 3: Cross multiply
    827,211.87x = 1,141,527.48 × 459,687.78
  4. Step 4: Simplify right side
    827,211.87x = 524,746,233,090.19
  5. Step 5: Solve for x
    x = 524,746,233,090.19/827,211.87
  6. Step 6: Final answer
    x = 634,355.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.